1,123 hedge funds and large institutions have $42.1B invested in Ametek in 2025 Q4 according to their latest regulatory filings, with 183 funds opening new positions, 399 increasing their positions, 372 reducing their positions, and 70 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

9% more funds holding

Funds holding: 1,0301,123 (+93)

2.92% more ownership

Funds ownership: 86.28%89.2% (+2.9%)

7% more repeat investments, than reductions

Existing positions increased: 399 | Existing positions reduced: 372

Holders
1,123
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
24
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$87.1M
Puts
$49M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Tudor Investment Corp
1126
Tudor Investment Corp
Connecticut
DCP
1127
Distillate Capital Partners
Illinois
Connor, Clark & Lunn Investment Management (CC&L)
1128
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
SCM
1129
Sone Capital Management
New York
EF
1130
Empowered Funds
Pennsylvania
MFS
1131
Mirabella Financial Services
United Kingdom
AIM
1132
Aigen Investment Management
New York
IGAM
1133
iA Global Asset Management
Quebec, Canada
FC
1134
Farringdon Capital
United Kingdom
SBFM
1135
S-Bank Fund Management
Finland
OC
1136
Oppenheimer & Co
New York
WI
1137
WBI Investments
New Jersey
DFCM
1138
Dark Forest Capital Management
Puerto Rico
Kovitz Investment Group Partners
1139
Kovitz Investment Group Partners
Illinois
PAS
1140
Park Avenue Securities
New York
RS
1141
R Squared
Hong Kong
BJL
1142
Brighton Jones LLC
Washington
VF
1143
Virtu Financial
New York
EIP
1144
Epoch Investment Partners
New York
HFM
1145
Hartford Funds Management
Pennsylvania
I
1146
InceptionR
California
DTL
1147
Dynamic Technology Lab
Singapore
SPA
1148
Sherbrooke Park Advisers
New York
NP
1149
NorthRock Partners
Minnesota
MWM
1150
Maridea Wealth Management
New York